Determine whether each relation represents y as a function of x. (Example 3) 15. The input value x is a bank account number and the output value y is the account balance.

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

Identify the polynomial. a2b - cd3 a. monomial b. binomial c. trinomial d. four-term polynomial e. five-term polynomial

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?